Answer:
True.
Step-by-step explanation:
Topspin is a technique through which the player gives a rotation effect to the ball, which will make the ball create a nice curve towards the ground. The technique is actually performed by swinging the racquet across the boy, the motion has a similarity with a windshield wiper. A the end of the hit, the player has to accelerate the ball, using the wrist, that gives the final effect to the ball.
Therefore, this statement is true.